Everyone take out your goofy glasses, because these days more and more movies seem to be reaching into the next dimension. 3D movies have been around since the Great Depression and even enjoyed a brief surge of popularity in the 1950s, but recently this immersive format has returned with a vengeance.This week Fox will release the 3D animated sci-fi movie Avatar, directed by James Cameron (who's other projects include Terminator I and II, Alien and Titanic).

The Scarlet Knight might sound like the name of the next big superhero, but it's actually the first robotic deep-sea glider to cross the Atlantic Ocean. Without the aid of a propeller, this craft "flew" through the water, all the while communicating with scientists via GPS.